drm/amdgpu: unload asd in psp hw de-init phase (71e5f0cb) · Commits · 戴 / test

drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c

+36 −0

Original line number	Diff line number	Diff line
		@@ -365,6 +365,40 @@ static int psp_asd_load(struct psp_context *psp)
		return ret;
		}

		static void psp_prep_asd_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
		uint32_t asd_session_id)
		{
		cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
		cmd->cmd.cmd_unload_ta.session_id = asd_session_id;
		}

		static int psp_asd_unload(struct psp_context *psp)
		{
		int ret;
		struct psp_gfx_cmd_resp *cmd;

		if (amdgpu_sriov_vf(psp->adev))
		return 0;

		if (!psp->asd_context.asd_initialized)
		return 0;

		cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
		if (!cmd)
		return -ENOMEM;

		psp_prep_asd_unload_cmd_buf(cmd, psp->asd_context.session_id);

		ret = psp_cmd_submit_buf(psp, NULL, cmd,
		psp->fence_buf_mc_addr);
		if (!ret)
		psp->asd_context.asd_initialized = false;

		kfree(cmd);

		return ret;
		}

		static void psp_prep_reg_prog_cmd_buf(struct psp_gfx_cmd_resp *cmd,
		uint32_t id, uint32_t value)
		{
		@@ -1602,6 +1636,8 @@ static int psp_hw_fini(void *handle)
		psp_hdcp_terminate(psp);
		}

		psp_asd_unload(psp);

		psp_ring_destroy(psp, PSP_RING_TYPE__KM);

		pptr = amdgpu_sriov_vf(psp->adev) ? &tmr_buf : NULL;